compare the speeds of the vehicles in A,B,C
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The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified.The outer ear is the external part of the ear. The function of the outer ear is to collect sound waves and to direct them into the ear. Important parts of the outer ear are the pinna, the ear canal and the ear drum.
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